Benchmark indices opened flat today without any significant change. At 9.15, Nifty stood at 13,106 with a 0.018% decline. Sensex dropped 51 points with a meager low of 0.11% standing at 44,604. Top gainers accounted for UPL, Hindalco and Tata Motors. Top losers today were Power Grid Corp and Tech Mahindra. Burger King India IPO to start today, price fixed at Rs 59-60.